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MATERIALS | FILM ADDITIVES


various additives and all polymers. It is also compliant with industry regulations for food contact, REACH and others.


Matt enhancements A novel product from Tosaf is MT7636PE, a matt additive to create thin (2 to 5 micron) skin layers on oriented and non-oriented polyolefin films, combining high haze (approximately 80%) with extremely low gloss (<10). Specific areas with matt effect can be made transparent by applying a lacquer coating or by gluing a clear label on top of the matt layer.


Above:


Addition of Tosaf’s new MT7636PE to an ultra-thin PE top layer significantly changes the visual appear- ance of a PE-LD film in terms of haze, clarity and gloss


trates and multifunctional additive concentrates. At the beginning of this year, Kafrit announced


Right:


Ampacet’s Proflow


1000400-E masterbatch is a performance processing aid for blown films intended for outdoor use, such as silage wrap


that Polyfil would begin offering its Tracer anti- counterfeit technology in the US for use in plastics packaging and other parts. Kafrit sees big potential in this application — it forecasts that by 2020, $284bn dollars will be spent by government and corporations to combat counterfeiting. Nadav Goldstein, Vice President of Business Development and Innovation for the Kafrit Group, says he expects Tracer technology to play an important role in preventing the sale of imitated consumer goods. Tracer technology involves the use of chemical- based codes or markers and a user-friendly reader. The chemical-based codes are compounded into masterbatches/concentrates and added to a resin during fabrication. They can be used at low concen- trations without affecting product properties. “The technology offers thousands of codes that can be used in the patented system increasing the security of the marked package or part,” Kafrit says. “In addition, Tracer has the unique ability to provide data embedded or linked to the code like month of production, production location, intend- ed market or country of origin.” Handheld readers are personalised so that only clients can authenticate their company’s products, making it impossible for counterfeiters to imitate, the company claims. A Blockchain system enables secure tracking and tracing throughout the supply chain. Tracer technology, which requires no changes in


the production process, is compatible with all plastic production methods and compatible with


28 COMPOUNDING WORLD | January 2019 www.compoundingworld.com


Based on an undisclosed polymer mixture which does not contain fillers, MT7636PE is said to provide advantages that include full control of haze/gloss properties on demand; a cost-saving matt effect without the need for an additional converting process; excellent rheology for easy processing; and low die build-up. It is suitable for PE and PP films. Tosaf says that converters using MT7636PE “can


easily achieve a luxurious look thanks to a uniformly continuous light transmission with a perfectly consistent transparency level over the entire surface.” It says the new additive also provides a perfect substrate to be printed with a clear lacquer, providing areas with complete transparency. Thanks to its high surface roughness, MT7636PE supports good adhesion of such lacquers and other inks to the film. Typical applications of MT7636PE include food packaging, mainly dry food such as pasta and bread, as well as pet food.


Outdoor innovations New additive introductions for agricultural films include Ampacet’s Proflow 1000400-E, a master- batch designed to assist in the processing of blown films intended for outdoor use. It outperforms the most well-known competitive process aids and


SOURCE: TOSAF


PHOTO: AMPACET


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